It adopts mainstream pure electric car parts and components, function and control mode is exactly the same as the general pure electric vehicles, which truly presents the connection control relation, installation location and operation parameters of the core components of electric vehicle driving and transmission system.
ii. Features
1. Complete electric vehicle drive and transmission system to illustrate the structure and working principle.
2. The main components are mounted on the bench, and the connection line is placed in the working place, and the circuit schematic diagram allows the students to master the working principle of the electric drive system in the process of assembling the attachment.
3. Power battery & Driving motor information display screen (it displays the power battery voltage / current / temperature, relays status, driving motor speed / torque / temperature / controller temperature / throttle opening) and dashboard installed on the panel, the panel is painted with electric control system circuit diagram. Pressing the accelerator, observing the different parameters of the working vehicle, master the control logic of electric vehicle running and the parameter changes of main components.
4. The power battery pack is covered with 5mm transparent acrylic plate on the top, installed with the LED lightbulb lighting, for observing the battery structure.
5. The power battery pack is installed with a mechanical maintenance switch. Before opening the 5mm acrylic cover and checking the battery, pull out the mechanical maintenance switch at first to disconnect battery power for safety consideration.
6. Real mechanical gear transmission and braking system, trainees can observe the current changes of braking energy feedback, to grasp the concept of braking energy absorption.
7. The training bench is equipped with the electric vacuum power hydraulic brake system, the vacuum pump is controlled by pressure sensor.
8. The training bench is equipped with 12V power grounding mechanical switch, which can disconnect 12V grounding and the whole system power.
9. The training panel is painted with complete power driving system working principle diagram, trainees can learn the system structure and working principle by comparing the real main components and diagram.
10. The two output ends of transmission shaft are installed with magnetic powder brake to simulate vehicle load system. The load can be separately adjusted by two rotary knobs (also called “manual tension controller”).
11. Lockable casters are installed to make it lockable and moveable.
12. All of the language for this equipment is English or customized language.
13. The equipment is provided with operation manual, it contains the equipment introduction, operation method, fault-setting and troubleshooting process. It’s helpful for training and learning.
14. Equipped with wireless fault-setting and appraisal system, teachers set faults by tablet PC then ask students to detect and find the fault. It’s helpful for teachers to know about students’ learning status, also can improve students’ skills in troubleshooting. Total 16 faults.
15. Compliance with ISO and CE standards.
iii. Technical Parameters
1. Dimensions (mm): 1600*1200*1800 (length * width * height)
2. Input power: AC 220V±10% 50/60Hz
3. Auxiliary battery: 12V 45AH
4. Power battery type: environmental protection type lithium iron phosphate power battery (square aluminum shell, single cell 3.2V 50AH, 24 sections in series)
Power battery pack total capacity: 76.8V 50AH (3.8 kilowatt)
Total charge and discharge: 2000 times
Working temperature: - 20 °C ~ 60 °C
5. Motor controller: 72V 300A (intelligent ac conversion control technology)
6. Drive motor: 72V 5KW (AC frequency conversion asynchronous motor)
7. Gearbox: two-stage helical gear drive, total reduction ratio 1:10, Running noise is less than 70 db.
iv. Main Constituent Components
Detection and control panel (With various detection terminals and color circuit diagram), ignition switch, dashboard, power battery & driving motor information display screen, lithium iron phosphate power battery with BMS, battery charger, charging socket, DC - DC converter, dashboard, motor controller, electronic throttle assembly, gear shift mechanism, driving motor, gearbox, transmission shaft, front wheel disc brakes, magnetic powder brake, manual tension controller, booster with pump, vacuum pump, vacuum tank, 12V auxiliary battery, wireless fault-setting system, tablet PC, movable framework (with lockable casters), operation manual.
v. Equipped with Training Software
1. The software includes four modules: Overall Structure, Operation Steps, Structure Principle, Circuit Detection.
2. Introduction of four modules.
* Overall Structure:
By displaying 3D model of the equipment, students can learn the position, connection relationship and structure of components. Click components, the related introduction is displayed.
* Operation Steps:
Six operations in total. Explains the usage of equipment and safety matters in the form of animation.
* Structure Principle:
It displays the structure, and principle of each component in power battery, charger, converter, driving motor, transmission, brake system, etc.
* Circuit Detection:
The circuit diagram is consistent with the equipment, the related data also come from and same to the equipment. The interface can be zoom in, zoom out, drag and drop for learning. And it has dynamic display of power flow.